Allow CORS: Access-Control-Allow-Origin

manifest.json

{
  "version": "0.1.7",
  "manifest_version": 2,
  "short_name": "access-control-allow-origin",
  "name": "Allow CORS: Access-Control-Allow-Origin",
  "homepage_url": "https://mybrowseraddon.com/access-control-allow-origin.html",
  "permissions": [
    "storage",
    "activeTab",
    "<all_urls>",
    "webRequest",
    "webRequestBlocking"
  ],
  "description": "Easily add (Access-Control-Allow-Origin: *) rule to the response header.",
  "options_ui": {
    "open_in_tab": true,
    "page": "data/options/options.html"
  },
  "background": {
    "persistent": true,
    "scripts": [
      "lib/config.js",
      "lib/chrome.js",
      "lib/runtime.js",
      "lib/webrequest.js",
      "lib/common.js"
    ]
  },
  "commands": {
    "toggle-default-mode": {
      "description": "Access-Control-Allow-Origin",
      "suggested_key": {
        "mac": "Command+Shift+D",
        "default": "Ctrl+Shift+D"
      }
    }
  },
  "browser_action": {
    "default_popup": "data/popup/popup.html",
    "default_title": "Access-Control-Allow-Origin",
    "default_icon": {
      "16": "data/icons/16.png",
      "32": "data/icons/32.png",
      "48": "data/icons/48.png",
      "64": "data/icons/64.png"
    }
  },
  "icons": {
    "16": "data/icons/16.png",
    "32": "data/icons/32.png",
    "48": "data/icons/48.png",
    "64": "data/icons/64.png",
    "128": "data/icons/128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c5f935cf-9b17-4b85-bed8-9277861b4116}"
    }
  }
}